WorksheetsPractical test sem 2
Total questions: 7
Worksheet time: 7mins
Name
Class
Date
1.
Both alkanes and alkenes react rapidly with aqueous bromine at room temperature.
a)
True
b)
False
2.
State the type of reaction of the above reaction.
a)
Nucleophilic Addition Reaction
b)
Electrophilic Substitution reaction
c)
Free Radical Substitution reaction
d)
Rearrangement
3.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
4.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
5.
What colour does bromine water turn in the presence of an alkene
a)
Orange
b)
Blue
c)
Colourless
d)
Green
6.
What is the observation obtained when alkene react with acidified KMnO4
a)
decolourize purple solution
b)
decolourize reddish brown solution
c)
decolourize blue solution
d)
yellow precipitate formed
7.
Alkenes usually show which type of reaction
a)
Electrophilic addition
b)
Free radical substitution
c)
Elimination
d)
Superposition
100 %
